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https://github.com/jart/cosmopolitan.git
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d26d7ae0e4
Building o//third_party/python now takes 5 seconds on my PC This change works towards modifying Python to use runtime dispatching when appropriate. For example, when loading the magnums in the socket module, it's a good idea to check if the magnum is zero, because that means the local system platform doesn't support it.
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/* clang-format off */
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/* List a node on a file */
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#include "third_party/python/Include/pgenheaders.h"
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#include "third_party/python/Include/token.h"
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#include "third_party/python/Include/node.h"
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/* Forward */
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static void list1node(FILE *, node *);
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static void listnode(FILE *, node *);
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void
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PyNode_ListTree(node *n)
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{
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listnode(stdout, n);
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}
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static int level, atbol;
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static void
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listnode(FILE *fp, node *n)
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{
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level = 0;
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atbol = 1;
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list1node(fp, n);
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}
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static void
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list1node(FILE *fp, node *n)
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{
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if (n == 0)
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return;
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if (ISNONTERMINAL(TYPE(n))) {
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int i;
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for (i = 0; i < NCH(n); i++)
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list1node(fp, CHILD(n, i));
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}
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else if (ISTERMINAL(TYPE(n))) {
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switch (TYPE(n)) {
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case INDENT:
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++level;
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break;
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case DEDENT:
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--level;
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break;
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default:
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if (atbol) {
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int i;
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for (i = 0; i < level; ++i)
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fprintf(fp, "\t");
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atbol = 0;
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}
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if (TYPE(n) == NEWLINE) {
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if (STR(n) != NULL)
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fprintf(fp, "%s", STR(n));
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fprintf(fp, "\n");
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atbol = 1;
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}
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else
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fprintf(fp, "%s ", STR(n));
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break;
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}
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}
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else
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fprintf(fp, "? ");
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}
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